Answer:
the given identity is true.
Step-by-step explanation:
this identity may be verified using several ways, the simpliest is:
1-sin^2xcot^2x=sin^2x;

1-cos^2 x=sin^2 x;
sin^2 x= sin^2 x.
Answer:
Total # of cards: 72 cards
Step-by-step explanation:
If T represents the total number of baseball cards, and c represents the number of cards each friend receives then the formula for this will be
T = 4c
To solve for T, just insert the number of cards each friend received
c = 18
T = 4(18) = 72
Therefore, Herbert had a total of 72 cards
The answer is 13/21
Step-by-step explanation:
Hope it helps you
Do you need to find the answer or know what it is?
Answer: im not sure how you typed this but if its 1.2 x 3 then its 3.6
Step-by-step explanation: